I have asked for help on this VBA project several times and the last few things I am stuck on are simple, but I do not know how to put it into VBA logic. First, when the user clicks my command button, input boxes will ask for the flow rate, viscosity, etc. What I need is when the input box asks for say, the viscosity, and the user inputs a letter instead of a number. I need to display a msgbox that tells them they inputted the wrong thing. Also, I need to know how to insert a "raised dot" for mulitplication instead of an asterisk. The first problem I have an idea in my head,but when I do it on VBA, it crashes the program. Here is my code. Thanks for all your help.
Brandon
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